/*
 * Copyright 2009 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy
 * of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package com.google.gwt.debugpanel.models;

/**
 * Listener to changes in the {@link DebugStatisticsModel}.
 */
public interface DebugStatisticsModelListener<T extends DebugStatisticsValue> {

  /**
   * The given key-value pair was added to the model.
   */
  public void nodeAdded(
      DebugStatisticsModel.Node<T> parent, DebugStatisticsModel.Node<T> node, int idx);

  /**
   * The given key-value pair was modified in the model.
   */
  public void nodeChanged(DebugStatisticsModel.Node<T> node, T value);
}
